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2017 Word of the Year

sponge iron

noun
1.
finely divided, porous iron, reduced from an oxide at a temperature below the melting point.
Also called iron sponge.
Origin of sponge iron
1870-1875
First recorded in 1870-75
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Word Value for sponge

9
12
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